nanopool question

i am using -epool eth-eu1.nanopool.org:9999 to mine ethereum. When i start my miner i get this warnings at top:0 1fb0 This pool (eth-eu2.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 This pool (eth-eu2.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 Pool eth-eu2.nanopool.org removed from the list11:55:48:760 1fb0 This pool (eth-us-east1.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 This pool (eth-us-east1.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 Pool eth-us-east1.nanopool.org removed from the list11:55:48:760 1fb0 This pool (eth-us-west1.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 This pool (eth-us-west1.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 Pool eth-us-west1.nanopool.org removed from the list11:55:48:760 1fb0 This pool (eth-asia1.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:760 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:760 1fb0 Please read "Readme" file for details11:55:48:760 1fb0 This pool (eth-asia1.nanopool.org) does not support Ethereum addresses as login (or requires worker name in "Login.Worker" format) and cannot be used for devfee mining, therefore it is not supported.11:55:48:775 1fb0 However, you can mine on this pool if you specify "-allpools 1" option, default pools (different from this pool) will be used for devfee.11:55:48:775 1fb0 Please read "Readme" file for details11:55:48:775 1fb0 Pool eth-asia1.nanopool.org removed from the list